<template>
  <div class="a1">
    <van-row @click="openModal">
      <van-col span="6">
        <img :src="avatarSrc" alt />
      </van-col>
      <van-col span="15">{{ nickname }}</van-col>
      <van-col span="3">
        <van-icon name="arrow" />
      </van-col>
    </van-row>
    <van-grid :column-num="3" square>
      <van-grid-item icon="photo-o" text="文字" />
      <van-grid-item icon="photo-o" text="文字" />
      <van-grid-item icon="photo-o" text="文字" />
      <van-grid-item icon="photo-o" text="文字" />
      <van-grid-item icon="photo-o" text="文字" />
      <van-grid-item icon="photo-o" text="文字" />
    </van-grid>

    <!-- 登录 部分 -->
    <transition name="van-fade">
      <div class="login-modal" v-show="isShowModal">
        <div class="close-modal" @click="isShowModal = !isShowModal"></div>
        <van-form @submit="onSubmit" class="login-form" @click.stop>
          <van-field
            v-model="username"
            name="用户名"
            label="用户名"
            placeholder="用户名"
            :rules="[{ required: true, message: '请填写用户名' }]"
          />
          <van-field
            v-model="password"
            type="password"
            name="密码"
            label="密码"
            placeholder="密码"
            :rules="[{ required: true, message: '请填写密码' }]"
          />
          <div style="margin: 16px">
            <van-button round block type="info" native-type="submit">
              提交
            </van-button>
          </div>
        </van-form>
      </div>
    </transition>
  </div>
</template>

<script>
import { GoLogin } from "@/request/api";
export default {
  data() {
    return {
      avatarSrc: require("../assets/logo.png"),
      username: "",
      password: "",
      isShowModal: false,
      nickname: "点击登录",
      logIcon: "arrow",
    };
  },
  created() {
    let token = localStorage.getItem("token");
    if (token) {
      let userInfo = JSON.parse(localStorage.getItem("userInfo"));
      this.avatarSrc = userInfo.avatar;
      this.nickname = userInfo.nickname;
    }
  },
  methods: {
    onSubmit(values) {
      // console.log("submit", values["用户名"]);
      // console.log("pwd", values["密码"]);
      let username = values["用户名"];
      let pwd = values["密码"];
      GoLogin({ username, pwd }).then((res) => {
        console.log("res", res.data);
        if (res.errno == 0) {
          console.log(res.data);
          // 登录的业务逻辑
          // 1、提示框提示登陆成功
          this.$toast.success("登录成功！");
          // 2、把token存储到本地
          localStorage.setItem("token", res.data.token);
          localStorage.setItem("userInfo", JSON.stringify(res.data.userInfo));
          // 3、1s后关闭模态窗口
          setTimeout(() => {
            // 3、关闭登录窗口
            this.isShowModal = !this.isShowModal;
            // 4、把用户基本信息渲染到页面上.
            this.avatarSrc = res.data.userInfo.avatar;
            this.nickname = res.data.userInfo.nickname;
          }, 1000);
          // 3、把拿到的userInfo用户信息，填写到页面上
        }
      });
    },
    openModal() {
      let token = localStorage.getItem("token");
      if (token) {
        return;
      }
      this.isShowModal = !this.isShowModal;
    },
  },
};
</script>
 
<style lang = "less" scoped>
.login-modal {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  .login-form {
    width: 90%;
    background-color: #fff;
    padding-bottom: 0.2rem;
    position: absolute;
    left: 50%;
    top: 40%;
    margin-left: -45%;
  }
}
.close-modal {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}
.van-row {
  padding: 0.2rem 4%;
  background: #333;
  color: #fff;
  .van-col {
    line-height: 0.7rem;
    font-size: 0.16rem;
    img {
      width: 0.7rem;
      border-radius: 50%;
      display: block;
    }
    &:last-child {
      text-align: right;
    }
  }
}
.van-popup {
  width: 85%;
}
</style>